Asked by AKSHAY GURU VARADHARAJAN · SRI CHAITANYA TECHNO SCHOOL, JAYANTI NAGAR.
Answer: A. As
In this context, "As" acts as a conjunction meaning "Since" or "Because."
The logic: Since her previous results were poor (not encouraging), she is now working extra hard to ensure she does better in the upcoming exams.
Sentence: "As her results were not encouraging, she is studying very hard for the coming examinations."
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